ClassID:

118681

C14C3/20 - CPC Classification

Classification description:

Tanning; Compositions for tanning; Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated

Recent Application in this class:
#1
20250115970
2025-04-10

LEATHER OR RETANNING COMPOUND WITH CYCLODEXTRIN BASED INCLUSION COMPOUND

#2
20250003019
2025-01-02

Use Of Epoxidized Vegetable Oils As Tanning Agents

#3
20220243292
2022-08-04

Method of manufacturing leather

#4
20180334524
2018-11-22

SYNTHESIS AND APPLICATION OF FORMALDEHYDE FREE MELAMINE GLUTARALDEHYDE AMINO RESIN AS AN EFFECTIVE RETANNING AGENT

#5
20170137903
2017-05-18

Sulfonatocalixarene tanning agent for leather tanning and preparation method therefor

#6
20160160301
2016-06-09

Process for retanning leather

#7
20140123399
2014-05-08

Solid, particulate tanning agent preparations

#8
20130288066
2013-10-31

Compositions comprising at least one compound containing a carbamoyl sulfonate group and use of the same as tanning agents

#9
20110078862
2011-04-07

Topcoat

#10
20110064959
2011-03-17

LOW-VOC LEATHER

#11
20100325811
2010-12-30

Leather

#12
20100316695
2010-12-16

Condensation products based on bicyclic or polycyclic aromatics or heteroaromatics

#13
20100281622
2010-11-11

Low-VOC leather

#14
20090275666
2009-11-05

CONDENSATION PRODUCTS, METHOD FOR THEIR PRODUCTION AND USE THEREOF IN MEDICAMENTS, AS DISINFECTANTS OR AS A TANNIN

#15
20080248322
2008-10-09

Leather production method and products suited thereof

#16
20070294836
2007-12-27

Dialdehyde condensates containing acid groups

#17
20060207032
2006-09-21

Process for hydrophobing leather by means of alkylalkoxysilanes, and water-repellent leather

#18
20060185094
2006-08-24

Condensates containing acid groups

#19
20060080784
2006-04-20

Isocyanate-based tanning agents